zy·mo·gen·ic (z??m?-j?n??k) also zy·mog·e·nous (z?-m?j??-n?s)adj.1. Of or relating to a zymogen.2. Capable of causing fermentation.3. Enzyme-producing.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.zymogenic (?za?m???d??n?k) adj1. (Biochemistry) of or relating to a zymogen2. (Biochemistry) capable of causing zymogenesisCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014